linux-hardening - Re: [PATCH] NFC: hci: Split memcpy() of struct hcp

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Message-Id: <166429021651.22749.12436522168132240366.git-patchwork-notify@kernel.org>
Date:   Tue, 27 Sep 2022 14:50:16 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Kees Cook <keescook@...omium.org>
Cc:     krzysztof.kozlowski@...aro.org, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        netdev@...r.kernel.org, gustavoars@...nel.org,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH] NFC: hci: Split memcpy() of struct hcp_message flexible array

Hello:

This patch was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Fri, 23 Sep 2022 21:08:35 -0700 you wrote:
> To work around a misbehavior of the compiler's ability to see into
> composite flexible array structs (as detailed in the coming memcpy()
> hardening series[1]), split the memcpy() of the header and the payload
> so no false positive run-time overflow warning will be generated. This
> split already existed for the "firstfrag" case, so just generalize the
> logic further.
> 
> [...]

Here is the summary with links:
  - NFC: hci: Split memcpy() of struct hcp_message flexible array
    https://git.kernel.org/netdev/net-next/c/de4feb4e3d61

You are awesome, thank you!
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